Beta-2 Glycoprotein 1 Antibody, IgA
0050324
Ordering Recommendation
Preferred second-line testing for patients considered seronegative antiphospholipid syndrome (APS). Order incrementally or concurrently with other non-criteria antiphospholipid antibody tests.
Mnemonic
B2GPI A
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun-Sat
Reported
1-2 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Plasma or other body fluids. Contaminated, hemolyzed, grossly icteric, or severely lipemic specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
0-20 SAU  
Interpretive Data
 
Note
 
CPT Code(s)
86146
Components
Component Test Code*Component Chart NameLOINC
0050324B2Glycoprotein 1, IgA Antibody21108-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • ?2-glycoprotein 1 IgA
  • Anti-B2-Glycoprotein 1
  • Anti-B2-Glycoprotein I
  • Anti-B2-GP 1
  • Anti-B2-GP I
  • Anti-B2-GP1
  • Anti-B2-GPI
  • Anti-Beta-2-Glycoprotein I
  • APOH
  • Apolipoprotein H
  • B2 IgA
  • B2GP1 IgA
  • Beta 2GP1 Ab